CVE-2026-120836 PUBLISHED

WordPress Meta Box – WordPress Custom Fields Framework plugin <= 5.15.3 - Broken Access Control vulnerability

Assigner: Patchstack
Reserved: 03.11.2026 Published: 07.11.2026 Updated: 07.11.2026

Missing Authorization vulnerability in eLightUp Meta Box – WordPress Custom Fields Framework meta-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Meta Box – WordPress Custom Fields Framework: from n/a through 5.15.3.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	eLightUp
Product	Meta Box – WordPress Custom Fields Framework
Versions	Default: unaffected affected from 0 to 5.15.3 (incl.)

Solutions

Update the WordPress Meta Box – WordPress Custom Fields Framework plugin to the latest available version (at least 5.15.4).

Credits

Oly Hossen | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/meta-box/vulnerability/wordpress-meta-box-wordpress-custom-fields-framework-plugin-5-15-3-broken-access-control-vulnerability?_s_id=cve

Problem Types

Missing Authorization CWE

Impacts

Exploiting Incorrectly Configured Access Control Security Levels